Multi-purpose exercise machine



FIG. 1 is a side, top perspective view of a multi-purpose exercise machine showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view of the other side thereof;

FIG. 4 is a rear end elevational view thereof;

FIG. 5 is a front end elevational view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a multi-purpose exercise machine, as shown and described. 